Which will result in a difference of squares? a. (–7x + 4)(–7x + 4) b. (–7x + 4)(–7x – 4) c. (–7x + 4)(4 – 7x) d. (–7x + 4)(7x – 4)

Reflect the point (7,0) across the y-axis

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?